Automatic closing gate
US6408571B1 · kind B1 · utility
6Cited by
20References
9Claims
0Family size
Inventor
Key dates
| Filing date | Nov 2, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Nov 2, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure provides an automatic closing gate having a gate post and at least one self-closing hinge attaching the gate to the gate post. A catch post having a catch holds the gate in an open position for a period of time. The catch releases the gate after the period of time and the gate is free to swing shut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.